GRANDSTANDER
a person who occupies a seat in a grandstand.
a player who appears to seek the approval of the spectators rather than concentrating on the playing of the game; (in extended use) a person whose words or actions are motivated primarily by the desire to attract attention or gain approval.
a player who appears to seek the approval of the spectators rather than concentrating on the playing of the game; (in extended use) a person whose words or actions are motivated primarily by the desire to attract attention or gain approval.